Matthew 10:16

Remember, I am sending you out as my Messengers like sheep among wolves. So be as wise as serpents, and as blameless as doves.

Romans 16:19

Every one has heard of your ready obedience. It is true that I am very happy about you, but I want you to be well versed in all that is good, and innocent of all that is bad.

1 Corinthians 14:20

Brothers, do not show yourselves children in understanding. In wickedness be infants, but in understanding show yourselves men.

Ephesians 5:17

Therefore do not grow thoughtless, but try to understand what the Lord's will is.

Treasury of Scripture Knowledge

Summary

Every prudent man dealeth with knowledge: but a fool layeth open his folly.

Bible References

Prudent

Matthew 10:16
Remember, I am sending you out as my Messengers like sheep among wolves. So be as wise as serpents, and as blameless as doves.
Romans 16:19
Every one has heard of your ready obedience. It is true that I am very happy about you, but I want you to be well versed in all that is good, and innocent of all that is bad.
1 Corinthians 14:20
Brothers, do not show yourselves children in understanding. In wickedness be infants, but in understanding show yourselves men.
Ephesians 5:17
Therefore do not grow thoughtless, but try to understand what the Lord's will is.